Detroit Marathon: 3 runners die while running

Three male runners Daniel Langdon, 36; Rick Brown, 65 and Jon Fenlon, 26, died while running half way of the 32nd Detroit Free Press/Flagstar Marathon on Monday at around the same time.

Langdon collapsed by 9:02 a.m., Brown collapsed by 9:17 a.m. and Fenlon a minute later, according to the Detroit Free Press. The cause of death had not been disclosed as of 2:30 p.m. EST but autopsies were expected Monday, the paper noted.